1 files changed, 59 insertions, 0 deletions

diff --git a/arch/m32r/boot/compressed/boot.h b/arch/m32r/boot/compressed/boot.h
new file mode 100644
index 00000000000..9272e38d110
--- /dev/null
+++ b/arch/m32r/boot/compressed/boot.h
@@ -0,0 +1,59 @@
+/*
+ * 1. load vmlinuz
+ *
+ * CONFIG_MEMORY_START          +-----------------------+
+ *                              |        vmlinuz        |
+ *                              +-----------------------+
+ * 2. decompressed
+ *
+ * CONFIG_MEMORY_START          +-----------------------+
+ *                              |        vmlinuz        |
+ *                              +-----------------------+
+ *                              |                       |
+ * BOOT_RELOC_ADDR              +-----------------------+
+ *                              |                       |
+ * KERNEL_DECOMPRESS_ADDR       +-----------------------+
+ *                              |       vmlinux         |
+ *                              +-----------------------+
+ *
+ * 3. relocate copy & jump code
+ *
+ * CONFIG_MEMORY_START          +-----------------------+
+ *                              |        vmlinuz        |
+ *                              +-----------------------+
+ *                              |                       |
+ * BOOT_RELOC_ADDR              +-----------------------+
+ *                              |    boot(copy&jump)    |
+ * KERNEL_DECOMPRESS_ADDR       +-----------------------+
+ *                              |       vmlinux         |
+ *                              +-----------------------+
+ *
+ * 4. relocate decompressed kernel
+ *
+ * CONFIG_MEMORY_START          +-----------------------+
+ *                              |        vmlinux        |
+ *                              +-----------------------+
+ *                              |                       |
+ * BOOT_RELOC_ADDR              +-----------------------+
+ *                              |     boot(copy&jump)   |
+ * KERNEL_DECOMPRESS_ADDR       +-----------------------+
+ *                              |                       |
+ *                              +-----------------------+
+ *
+ */
+#ifdef __ASSEMBLY__
+#define __val(x)        x
+#else
+#define __val(x)        (x)
+#endif
+
+#define DECOMPRESS_OFFSET_BASE  __val(0x00900000)
+#define BOOT_RELOC_SIZE         __val(0x00001000)
+
+#define KERNEL_EXEC_ADDR        __val(CONFIG_MEMORY_START)
+#define KERNEL_DECOMPRESS_ADDR  __val(CONFIG_MEMORY_START + \
+                                      DECOMPRESS_OFFSET_BASE + BOOT_RELOC_SIZE)
+#define KERNEL_ENTRY            __val(CONFIG_MEMORY_START + 0x1000)
+
+#define BOOT_EXEC_ADDR          __val(CONFIG_MEMORY_START)
+#define BOOT_RELOC_ADDR         __val(CONFIG_MEMORY_START + DECOMPRESS_OFFSET_BASE)